/*
 * Copyright 2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.gavlyukovskiy.boot.jdbc.decorator.dsproxy;

import com.github.gavlyukovskiy.boot.jdbc.decorator.DataSourceDecorator;
import com.github.gavlyukovskiy.boot.jdbc.decorator.DataSourceDecoratorProperties;
import com.github.gavlyukovskiy.boot.jdbc.decorator.DataSourceNameResolver;
import net.ttddyy.dsproxy.support.ProxyDataSource;
import net.ttddyy.dsproxy.support.ProxyDataSourceBuilder;
import org.springframework.core.Ordered;

import javax.sql.DataSource;

/**
 * {@link Ordered} decorator for {@link ProxyDataSource}.
 *
 * @author Arthur Gavlyukovskiy
 */
public class ProxyDataSourceDecorator implements DataSourceDecorator, Ordered {

    private final DataSourceDecoratorProperties dataSourceDecoratorProperties;
    private final ProxyDataSourceBuilderConfigurer proxyDataSourceBuilderConfigurer;
    private final DataSourceNameResolver dataSourceNameResolver;

    ProxyDataSourceDecorator(
            DataSourceDecoratorProperties dataSourceDecoratorProperties,
            ProxyDataSourceBuilderConfigurer proxyDataSourceBuilderConfigurer,
            DataSourceNameResolver dataSourceNameResolver
    ) {
        this.dataSourceDecoratorProperties = dataSourceDecoratorProperties;
        this.proxyDataSourceBuilderConfigurer = proxyDataSourceBuilderConfigurer;
        this.dataSourceNameResolver = dataSourceNameResolver;
    }

    @Override
    public DataSource decorate(String beanName, DataSource dataSource) {
        ProxyDataSourceBuilder proxyDataSourceBuilder = ProxyDataSourceBuilder.create();
        DataSourceProxyProperties datasourceProxy = dataSourceDecoratorProperties.getDatasourceProxy();
        proxyDataSourceBuilderConfigurer.configure(proxyDataSourceBuilder, datasourceProxy);
        String dataSourceName = dataSourceNameResolver.resolveDataSourceName(dataSource);
        return proxyDataSourceBuilder.dataSource(dataSource).name(dataSourceName).build();
    }

    @Override
    public int getOrder() {
        return 20;
    }
}
